Safety Publications Tool

CF-2025-54 : Navigation – 5G C-Band wireless Broadband Interference with Radio Altimeter System when operating in Canadian airspace affected by 5G C-Band wireless signals

Number CF-2025-54
Issued by Canada  Canada
Issue date 2025-11-12
Effective date 2025-11-19
EASA approval number
ATA Chapter 34
Approval Holder
/ Type Designation
  • DE HAVILLAND AIRCRAFT OF CANADA LTD.
    • DHC-8
      • DHC-8-101
      • DHC-8-102
      • DHC-8-103
      • DHC-8-106
      • DHC-8-201
      • DHC-8-202
      • DHC-8-301
      • DHC-8-311
      • DHC-8-314
      • DHC-8-315
Revision Not applicable
Correction Not applicable
Supersedure None
Publication(s) and related information SB 8-34-256 A dated 11 December 2024, 8-34-254B dated 2 May 2024, 8-53-87B dated 6 May 2024, 8-34-257A dated 10 February 2025, 8-53-90A dated 28 February 2025, 8-34-258 dated 25 September 2024, 8-53-89 dated 16 August 2024, as applicable, or later revisions of the SB approved by the Chief, Continuing Airworthiness, Transport Canada.
Remarks Comments regarding this AD should be referred to the Safety Information Section, Certification Directorate, EASA; E-mail: ADs [at] easa.europa [dot] eu. The actions required by this AD, including those listed under Part I and Part II of section "Corrective Actions", are not required on aeroplanes not operating in Canadian airspace affected by 5G C-Band wireless sign